First Time User? Sign Up Now
First Time User? Enroll now.
Home > Health Library > Hormone
A hormone, such as insulin or estrogen, is a substance released by an organ or tissue that controls the activity of organs or cells in another part of the body. The organs or glands that release hormones are part of the endocrine system.
Hormones may also be taken as medicines, such as birth control pills or estrogen therapy.
Current as of: March 31, 2020
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & E. Gregory Thompson MD - Internal Medicine & Kathleen Romito MD - Family Medicine & Alan C. Dalkin MD - Endocrinology
To learn more about Healthwise, visit Healthwise.org.
© 1995-2021 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.